适合STM32全系列的串口应用软件包，功能丰富，包含环形缓冲区应用，中断写入缓冲，应用读取缓冲，命令帧解析根据需要自定义，包含从串口终端输入整数/字符串，极大地方便调试测试；(Suitable for the full range of STM32 serial application software package, rich features, including the application of ring buffer, interrupt write buffer, applica